Enclosure Thermostats

Enclosure thermostatsare compact thermostats designed for use in electronic, IT or control cabinets. They work with heating or coolingdevices to ensure a safe operating temperature and safeguard against condensation, humidity and frost.

How do enclosure thermostats work?

Enclosure thermostats are preset with a minimum or maximum temperature. 'Normally open' (NO) thermostats are set with their contacts open, so when the temperature rises above the preset maximum, the contacts close and trigger a cooler. Their dials are coloured blue. 'Normally closed' (NC) thermostats are set with their contacts closed, so when the temperature falls below the minimum preset, the contacts open and trigger a heater. Their dials are coloured red. Both NO and NC thermostats can be set to trigger an alarm. A changeover thermostat can have both minimum and maximum settings, allowing it to control both heating and cooling.

What are the different types of enclosure thermostats?

Enclosure thermostats are designed in a plastic casting with a broad setting range. They're easy to mount in variable fitting positions with DIN rail mounting. Installation is quick by screw terminals and using a din-rail clip feature.


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Description Price Adjustable or Fixed Mount Type Maximum Temperature Setting Minimum Temperature Setting Supply Voltage Switch Configuration Series Temperature Setting Range
RS Stock No. 103-257
Mfr. Part No.FLZ530 17121000000
£11.20
Each
Units
Adjustable DIN Rail +60°C 0°C 120 240 V ac NO FLZ 0 +60°C
RS Stock No. 103-106
Mfr. Part No.FLZ520 17111000000
£11.20
Each
Units
Adjustable DIN Rail +60°C 0°C 240 V ac NC FLZ 0 +60°C
RS Stock No. 103-370
Mfr. Part No.FLZ510 17103000003
£20.64
Each
Units
Adjustable DIN Rail +40°C -20°C 100 250 V ac Changeover FLZ -20 +40°C
RS Stock No. 103-279
Mfr. Part No.FLZ520 17111000003
£11.50
Each
Units
Adjustable DIN Rail +40°C -20°C 240 V ac NC FLZ -20 +40°C
RS Stock No. 103-386
Mfr. Part No.FLZ510 17103000000
£18.78
Each
Units
Adjustable DIN Rail +60°C 0°C 100 250 V ac Changeover FLZ 0 +60°C
RS Stock No. 667-6760
Mfr. Part No.FLZ541 17141000000
£27.05
Each
Units
Adjustable Snap-In +60°C 0°C 120 240 V ac NC, NO FLZ 0 +60°C
RS Stock No. 103-263
Mfr. Part No.FLZ520 17111000014
£14.28
Each
Units
Adjustable DIN Rail +180°F +70°F 240 V ac NC FLZ +70 +180°F
RS Stock No. 103-184
Mfr. Part No.FLZ520 17111000010
£10.15
Each
Units
Adjustable DIN Rail +140°F +32°F 240 V ac NC FLZ +32 +140°F
RS Stock No. 103-241
Mfr. Part No.FLZ530 17121000003
£11.50
Each
Units
Adjustable DIN Rail +40°C -20°C 120 V ac NO FLZ -20 +40°C
RS Stock No. 904-8048
Mfr. Part No.FLZ510 17105000000
£24.31
Each
Units
Adjustable Snap-In +60°C 0°C 230 V ac Changeover FLZ 0 +60°C
RS Stock No. 103-566
Mfr. Part No.FLZ530 17121000013
£14.32
Each
Units
Adjustable DIN Rail +105°F -5°F 120 V ac NO FLZ -5 +105°F
RS Stock No. 103-392
Mfr. Part No.FLZ510 17103000004
£20.12
Each
Units
Adjustable DIN Rail +80°C +20°C 100 250 V ac Changeover FLZ +20 +80°C
RS Stock No. 103-112
Mfr. Part No.FLZ520 17111000004
£12.38
Each
Units
Adjustable DIN Rail +80°C +20°C 240 V ac NC FLZ +20 +80°C
RS Stock No. 103-235
Mfr. Part No.FLZ530 17121000004
£12.85
Each
Units
Adjustable DIN Rail +80°C +20°C 120 240 V ac NO FLZ +20 +80°C
RS Stock No. 103-099
Mfr. Part No.FLZ520 17111000013
£14.28
Each
Units
Adjustable DIN Rail +105°F -5°F 240 V ac NC FLZ -5 +105°F
RS Stock No. 667-6776
Mfr. Part No.FLZ543 17143000000
£28.40
Each
Units
Adjustable Snap-In +60°C 0°C 120 V ac NO FLZ 0 +60°C
RS Stock No. 667-6767
Mfr. Part No.FLZ542 17142000000
£28.40
Each
Units
Adjustable Snap-In +60°C 0°C 240 V ac NC FLZ 0 +60°C
RS Stock No. 103-550
Mfr. Part No.FLZ530 17121000010
£9.59
Each
Units
Adjustable DIN Rail +140°F +32°F 120 V ac NO FLZ +32 +140°F
RS Stock No. 103-128
Mfr. Part No.FLZ510 17103000013
£21.13
Each
Units
Adjustable DIN Rail +105°F -5°F 100 250 V ac Changeover FLZ -5 +105°F
RS Stock No. 103-140
Mfr. Part No.FLZ510 17103000010
£21.13
Each
Units
Adjustable DIN Rail +140°F +32°F 100 250 V ac Changeover FLZ +32 +140°F